Surgeon had placed a zero-p implant along with cervical spine locking screws and as the surgeon was preparing to close after placement, the construct appeared to back off anteriorly.
Surgeon removed the construct and placed an acf spacer to complete the procedure.
This is 1 report of 3 on the same incident.
This information was not provided during initial report.
Additional information has been requested.
Investigation is ongoing, no conclusion can be drawn.
Review of manufacturing records for this lot number has been requested.